/Engine/Source/Runtime/Engine/Classes/GameFramework/Actor.h
Trace a ray against the Components of this Actor and return the first blocking hit
TRUE if a blocking hit is found
bool ActorLineTraceSingle ( struct [FHitResult](API\Runtime\Engine\Engine\FHitResult) & OutHit, const FVector & Start, const FVector & End, ECollisionChannel TraceChannel, const struct [FCollisionQueryParams](API\Runtime\Engine\FCollisionQueryParams) & Params ) const